Hardware 

Intel Dual-core 2.41GHz CPU
2GB DDR3L RAM
16GB On board EMMC
HDMI (High-Definition Multimedia Interface)
Audio In/Out (Paging)
2x1000Mbps Ethernet Ports
USB 3.0 + USB 2.0 (Extended Storage)
2xModule Slots

Telephony Signaling & Control
SIP (RFC3261)
SIP over UDP/TCP/TLS
IAX2
DTMF: RFC2833, SIP Info, In-band
SRTP
PRI, SS7, MFC/R2

Power

AC 100~240V, 50/60Hz, 1.5A max

Environment
Working Temperature: 0 ~ 40°C
Storage Temperature: -20 ~ 55°C
Humidity: 5 ~ 95% Non-condensing

 PBX Features

Up to 200 Extensions
Up to 60 Simultaneous Calls
Up to 40 Simultaneous Conference Attendees
Up to 36 Call Queues
Up to 36 Conference Rooms
Recording up to 150 hrs (WAV)
Recording up to 1500 hrs (GSM)
Automatic Recording/One Touch Recording
CDR (Call Detailed Recording)
Multi-layer IVR (Interactive Voice Response)
TDM/SIP/IAX Extensions/trunks
Flexible Inbound/Outbound Routing
Time-based Routing
Remote Extensions & Remote Offices
Paging & Intercom
Video Call
Call Forward/Transfer
Web Extension (WebRTC)
Follow Me
DND (Do Not Disturb)
Ring Groups
Pick-up Groups
DISA (Direct Inward System Access)
Virtual Fax
Voicemail to Email/Fax to Email
One Number Stations
Smart DID

Call Features
​Call Back
Call Forward
Call Hold
Call Paging and Intercom
Call Park
Call Pickup
Call Queue
Call Recording
Call Routing
Blind Transfer
Attendant Transfer
Call Waiting
One Number Stations
Caller ID
Dial by Name
Music On Hold/Transfer
3-Way Conference
Video Call

Media

Audio Codecs: G.722/G.711-Ulaw/G.711-Alaw/G.726/G.729/GSM/SPEEX
Video Codecs: H.261/H.263/H.263+/H.264
Fax: T.38 (passthrough)

Network & Protocols
IPv4, IPv6, VLAN, DHCP, PPPoE, DDNS, SNMPv2, NTP, SNTP, TFTP, SSH, HTTPS, SRTP, TLS, LDAP, TR069

Security
HTTPS, Fail2Ban, Permit IP, Whitelist, Blacklist
VPN Server (PPTP, L2TP, OpenVPN, IPSec)
VPN Client (N2N, PPTP, L2TP, OpenVPN, IPSec)